CN215806512U - Water diversion valve core with switch for regulating water quantity - Google Patents
Water diversion valve core with switch for regulating water quantity Download PDFInfo
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- CN215806512U CN215806512U CN202121121675.3U CN202121121675U CN215806512U CN 215806512 U CN215806512 U CN 215806512U CN 202121121675 U CN202121121675 U CN 202121121675U CN 215806512 U CN215806512 U CN 215806512U
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Abstract
A water diversion valve core with a switch for regulating water quantity comprises a core shell, a base, a fixed ceramic valve chip, a movable ceramic valve chip, a water diversion outer seat, a water diversion inner seat, a switch reversing valve core, a valve rod, a pressure spring and a driving assembly, wherein the fixed ceramic valve chip is arranged on the base, and the movable ceramic valve chip is arranged on the fixed ceramic valve chip; the water diversion inner seat is arranged in a water guide cavity of the water diversion outer seat and is sealed, the valve rod is sealed with the valve rod channel, the water diversion outer seat is arranged on the movable ceramic valve core piece, the switch reversing valve core is matched with the water mixing switch valve core seat and the lower part of the reversing cavity, the driving assembly is connected with the water diversion outer seat, the driving assembly penetrates through a shaft sleeve of the core shell to extend out, and the lower end of the core shell is fixed with the base; the water guide cavity of the water diversion outer seat and the core shell form a water outlet cavity, and the water outlet cavity corresponds to the wall water outlet hole. By adopting the structure, the directional valve core of the switch valve is matched with the valve core seat and the reversing cavity of the water mixing switch, so that waterway conversion is realized; the movable ceramic valve core plate rotates to realize water quantity regulation.
Description
Technical Field
The utility model relates to a constant-temperature water diversion valve core.
Background
In the prior art, the water mixing valve core only can realize water temperature regulation, hot water outlet or cold water outlet, and cannot realize multi-waterway conduction.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: the water diversion valve core with the switch for regulating the water quantity not only has the characteristic of regulating the water quantity, but also has the characteristic of diversion path conversion.
The utility model is realized by the following steps: the utility model provides a take water distribution valve core of switch regulating pondage which characterized in that: the water diversion valve core comprises a core shell, a base, a fixed ceramic valve chip, a movable ceramic valve chip, a water diversion outer seat, a water diversion inner seat, a switch reversing valve core, a valve rod, a pressure spring and a driving component,
the core shell is provided with a lower opening, the top plate is provided with a shaft sleeve, and the circumferential wall plate is provided with wall water outlet holes which are uniformly distributed;
the base is provided with a central water outlet hole, a cold water inlet hole and a hot water inlet hole,
the fixed ceramic valve chip comprises a fixed center hole, a fixed cold water inlet hole and a fixed hot water inlet hole;
the movable ceramic valve core chip comprises a center hole, a movable cold water hole and a movable hot water hole;
the water diversion outer seat comprises a water diversion cavity, a water guide cavity arranged at the upper part of the water diversion seat and a radial water guide hole arranged on the water guide cavity, and the diameter of the water guide cavity is smaller than that of the water diversion cavity; the bottom plate of the water diversion cavity is provided with a water mixing switch valve core seat, an axial water guide hole surrounding the water mixing switch valve core seat and a circular water guide groove positioned at the lower end, and the circular water guide groove is intersected with the lower end of the axial water guide hole;
the water diversion inner seat comprises a valve rod channel, a reversing cavity, an annular water tank arranged on the outer circumferential surface and a radial water hole for communicating the reversing cavity with the annular water inlet tank;
the fixed ceramic valve chip is arranged on the base, the central hole is opposite to the central water outlet hole, the seat cold water inlet hole is opposite to the fixed cold water inlet hole, the seat hot water inlet hole is opposite to the fixed hot water inlet hole, and the movable ceramic valve chip is arranged on the fixed ceramic valve chip; the water diversion inner seat is arranged in a water guide cavity of the water diversion outer seat and is sealed, the valve rod penetrates through the pressure spring, the valve rod channel and the reversing cavity to be connected with the switch reversing valve core, the valve rod and the valve rod channel are sealed, the water diversion outer seat is arranged on the movable ceramic valve core piece and is connected into a whole, the switch reversing valve core is matched with the lower parts of the water mixing switch valve core seat and the reversing cavity, the driving assembly is connected with the water diversion outer seat, the driving assembly penetrates through a shaft sleeve of the core shell to extend out, and the lower end of the core shell is fixed with the base; the water guide cavity of the water diversion outer seat and the core shell form a water outlet cavity, and the water outlet cavity corresponds to the wall water outlet hole.
The water diversion valve core with the switch for regulating water quantity is characterized in that: the drive assembly includes a knob, a push button and a driven ratchet member,
the knob comprises an accommodating cavity with a lower opening, a guide hole arranged on the top plate, an axial guide groove arranged in the guide hole, fixed teeth arranged in the accommodating cavity and a deep guide groove arranged between two adjacent fixed teeth, wherein the lower end of each fixed tooth is provided with a spiral positioning notch, a spiral surface and a shallow guide groove, and the deep guide groove and the shallow guide groove correspond to the axial guide groove;
the button comprises a movable cavity with a lower opening, an axial guide rail and an angular driving tooth arranged at the lower end of the axial guide rail;
the driven ratchet wheel piece comprises a circular seat board, a cylinder arranged on the circular seat board and ratchets which surround the lower end of the cylinder and are arranged on the circular seat board;
the button penetrates through a guide hole of the knob to extend out of the knob, the axial guide rail is in sliding fit with an axial guide groove in the guide hole, the upper end face of the angular driving tooth is in fit stop with a top plate of the accommodating cavity, the angular driving tooth is in sliding fit with the deep guide groove, and the upper end of the angular driving tooth is in fit stop with a top spiral face of the spiral positioning notch; the cylinder of the driven ratchet wheel piece is inserted into the movable cavity of the button, the ratchet is matched with the angular driving teeth, and the ratchet is in sliding fit with the deep guide groove; the upper end of the valve rod is matched with the driven ratchet wheel piece.
The water diversion valve core with the switch for regulating water quantity is characterized in that: also comprises a buffer spring, a top cover and a ball body,
a spring cavity with an upper opening is arranged on the cylinder of the driven ratchet wheel piece, and a through hole is arranged on the bottom plate of the spring cavity;
the upper end of the accommodating cavity of the button is provided with an internal thread connecting cavity;
the top of the valve rod is provided with a cylindrical ball cavity with an upper opening and an upper opening;
a ball body is arranged in the cylindrical ball cavity with the upper opening, and the ball body is matched with the lower end of the through hole; the buffer spring is arranged in the spring cavity, the top cover covers the upper opening of the spring cavity, the upper end of the buffer spring is in sliding fit with the top hole in the top cover, and the other ball body is matched with the buffer spring and the top hole.
The water diversion valve core with the switch for regulating water quantity is characterized in that: the sealing element comprises an annular elastic seat groove arranged at the upper end, a valve rod channel, a sinking hole and a flange;
the valve rod penetrates through the valve rod channel and the sealing ring in the sunken hole, the lower end of the sealing element is inserted into the inserting cavity of the water diversion inner seat, the upper end of the sealing element is inserted into the accommodating cavity of the knob, and the lower end of the pressure spring is embedded with the spring seat groove.
According to the water diversion valve core with the switch for regulating the water quantity, due to the adoption of the structure, the switch valve core is matched with the valve core seat and the reversing cavity of the water mixing switch, so that the waterway conversion is realized; the movable ceramic valve core plate rotates to realize water quantity regulation.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a view a-a of fig. 1.
Fig. 3 is a view B-B of fig. 2.
Fig. 4 is one of perspective views of the present invention.
Fig. 5 is a cross-sectional view of the present invention after the waterway has been switched.
FIG. 6 is one of the top views of the mating of the moving ceramic valve chip and the stationary ceramic valve chip of the present invention.
Fig. 7 is a second top view of the mating of the moving ceramic valve chip and the stationary ceramic valve chip of the present invention.
Fig. 8 is one of exploded perspective views of the present invention.
Fig. 9 is a second exploded perspective view of the present invention.
Fig. 10 is a perspective cross-sectional view of the knob of the present invention.
Fig. 11 is an exploded perspective cross-sectional view of the water diversion outer seat and the water diversion inner seat assembly of the present invention.
Fig. 12 is a second perspective view of the present invention.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in figure 1, the water diversion valve core with the switch for regulating water quantity comprises a core shell 1, a base 2, a fixed ceramic valve chip 3, a movable ceramic valve chip 4, a water diversion outer seat 5, a water diversion inner seat 6, a switch reversing valve core 7, a valve rod 8, a pressure spring 9 and a driving component 10,
the core shell 1 is provided with a lower opening, the top plate is provided with a shaft sleeve 1A, the circumferential wall plate is provided with wall water outlet holes 1B which are uniformly distributed, and the lower end of the circumferential wall plate is provided with a buckling hook hole 1C and a positioning groove 1D;
the base 2 is provided with a central water outlet 21, a cold water inlet 22, a hot water inlet 23, a clasp 24 and a pin plate 25,
the fixed ceramic valve chip 3 comprises a fixed center hole 31, a fixed cold water inlet hole 32, a fixed hot water inlet hole 33 and a fixed groove 34;
the movable ceramic valve chip 4 comprises a center hole 41, a movable cold water hole 42, a movable hot water hole 43 and an insertion groove 44;
the water diversion outer seat 5 comprises a water diversion cavity 51, a water guide cavity 52 arranged at the upper part of the water diversion seat and a radial water guide hole 53 arranged on the water guide cavity, and the diameter of the water guide cavity is smaller than that of the water diversion cavity; a bottom plate of the water diversion cavity 51 is provided with a water mixing switch valve core seat 511, an axial water guide hole 512 surrounding the water mixing switch valve core seat and a circular water guide groove 513 positioned at the lower end, and the circular water guide groove 513 is intersected with the lower end of the axial water guide hole 512;
the water diversion inner seat 6 comprises a valve rod channel 61, a reversing cavity 62, an annular water tank 63 arranged on the outer circumferential surface and a radial water hole 64 for communicating the reversing cavity with the annular water inlet tank;
the fixed ceramic valve chip 3 is arranged on the base 2, the central hole 31 is opposite to the central water outlet hole 21, the cold water inlet hole 22 is opposite to the fixed cold water inlet hole 32, the hot water inlet hole 23 is opposite to the fixed hot water inlet hole 33, and the rod part of the clasp 24 is embedded with the positioning groove 34; the movable ceramic valve chip 4 is arranged on the fixed ceramic valve chip 3; the water diversion inner seat 6 is arranged in a water guide cavity 52 of the water diversion outer seat 5 and is sealed, the valve rod 8 passes through the pressure spring 9, the valve rod channel 61 and the reversing cavity 62 to be fixedly connected with the switch reversing valve core 7, the valve rod 8 is sealed with the valve rod channel 61, the upper end of the pressure spring 9 is matched with a disc 81 at the top of the valve rod 8, the water diversion outer seat 5 is arranged on the movable ceramic valve core piece 4 and is connected into a whole, and the positioning plate 54 on the water diversion outer seat 5 is inserted into the insertion groove 44 of the movable ceramic valve core piece 4; the water guide cavity 52 of the water diversion outer seat 5 and the core shell 1 form a water outlet cavity, and the water outlet cavity corresponds to the wall water outlet hole 1B; the switch reversing valve core 7 is matched with the lower parts of the water mixing switch valve core seat 511 and the reversing cavity 62, when the switch reversing valve core 7 is jointed and sealed with the lower part of the reversing cavity 62, the switch reversing valve core 7 is a first water channel, and when the switch reversing valve core 7 is jointed with the water mixing switch valve core seat 511, the switch reversing valve core is a second water channel;
the driving assembly 10 is connected with the water diversion outer seat 5, the driving assembly 10 extends out through the shaft sleeve 1A of the core shell 1, the lower end of the core shell 1 is fixed with the base 2, the hook part of the clasp 24 is buckled with the clasp hole 1C, and the pin plate 25 is inserted into the positioning groove 1D.
Fig. 1 shows the first water channel in the open and closed state, and referring to fig. 6 and 7, in the closed state shown in fig. 6, the movable ceramic valve chip 4 rotates counterclockwise, and the movable cold water hole 42 first intersects with the stationary cold water hole 32 to discharge cold water; the rotation is continued, and the hot and cold mixed water is discharged by the intersection of the hot and dynamic water hole 43 and the hot and fixed water hole 33; then the rotation is continued, the moving hot water hole 43 is intersected with the fixed hot water hole 33, the moving cold water hole 42 leaves the fixed cold water hole 32, and hot water is discharged; the water flows into the circular water guide groove 513 of the water diversion outer seat 6 through the dynamic cold water hole 42 and the dynamic hot water hole 43, enters the water diversion cavity 51 through the axial water guide hole 512, and then flows out through the water mixing switch valve core seat 511, the central hole 41, the central hole 31 and the central water outlet hole 21;
fig. 5 shows a second waterway conduction state; the water flows through the dynamic cold water hole 42 and the dynamic hot water hole 43 to enter the annular water guide groove 513 of the water diversion outer seat 5, then enters the water diversion cavity 51 through the axial water guide hole 512, enters the radial water guide hole 53 on the water guide cavity of the water diversion outer seat 5, enters the water outlet cavity formed by the water guide cavity 52 of the water diversion outer seat 5 and the core shell 1 through the reversing cavity 62, the radial water hole 64 and the annular water groove 63 of the water diversion inner seat 6, and flows out through the water outlet hole 1B on the wall.
The drive assembly 10 includes a knob 11, a push button 12 and a driven ratchet member 13,
the knob 11 comprises an accommodating cavity 111 with a lower opening, a guide hole 112 arranged on the top plate, an axial guide groove 113 arranged in the guide hole, a fixed tooth 114 arranged in the accommodating cavity, and a deep guide groove 115 arranged between two adjacent fixed teeth, wherein the lower end of the fixed tooth 114 is provided with a spiral positioning notch 116, a spiral surface 117 and a shallow guide groove 118, the shallow guide groove 118 is communicated with the spiral positioning notch 116, and the deep guide groove 115 and the shallow guide groove 118 correspond to the axial guide groove 113;
the button 12 comprises a movable cavity 121 with a lower opening, an axial guide rail 122 and an angular driving tooth 123 arranged at the lower end of the axial guide rail, wherein the upper end of the angular driving tooth 123 is a plane;
the driven ratchet wheel member 13 comprises a circular seat plate 131, a cylinder 132 arranged on the circular seat plate, and a ratchet 133 surrounding the lower end of the cylinder and arranged on the circular seat plate, wherein the upper end of the ratchet 133 is provided with a spiral surface; the number of ratchet teeth 133 is half of the angular drive teeth 123;
the button 12 passes through a guide hole 112 of the knob 11 and extends out of the knob 11, an axial guide rail 122 is in sliding fit with an axial guide groove 113 in the guide hole 112, the upper end surface of an angular driving tooth 123 is in fit stop with a top plate of the accommodating cavity 111, the angular driving tooth 123 is in sliding fit with a deep guide groove 115, and the upper end of the angular driving tooth 123 is in fit stop with a top spiral surface of the spiral positioning notch 116; the cylinder 132 of the driven ratchet member 13 is inserted into the movable chamber 121 of the push button 12, the ratchet teeth 133 are engaged with the angular driving teeth 123, and the ratchet teeth 133 are slidably engaged with the deep guide grooves 115; the upper end of the valve rod 8 is matched with the driven ratchet wheel piece 13, namely the upper end of the valve rod 8 is matched with the circular seat plate 131; the lower end of the knob 11 is connected with the water distribution outer seat 5, and the knob 11 and the water distribution outer seat 5 rotate together;
fig. 1 and 2 are states of a first waterway conduction state; pressing the button 12, the angular driving teeth 123 of the button 12 driving the ratchet teeth 133 of the driven ratchet member 13, the button 12 and the driven ratchet member 13 moving downward together, the ratchet teeth 133 moving downward in the deep guide grooves 115, and then the ratchet teeth 133 entering the screw positioning notches 116 and engaging with the top screw surfaces of the screw positioning notches 116; the valve rod 8 moves downwards, the circular seat plate 131 of the driven ratchet wheel piece 13 is in rotating fit with the upper end of the valve rod, the switch reversing valve core 7 closes the mixed water switch valve core seat 511, and as shown in fig. 5, the second water channel is communicated;
when the second waterway is on, the button 12 is pressed again; the spiral surface of the ratchet 133 is in sliding fit with the spiral surface 117 at the lower end of the fixed tooth 114, the ratchet 133 enters the deep guide groove 115, and the valve rod returns to move to the state shown in fig. 1 and 2.
As a further improvement of the drive assembly: also comprises a buffer spring 14, a top cover 15 and a ball 16,
a spring cavity 134 with an upper opening is arranged on the cylinder 132 of the driven ratchet member 13, and a through hole 135 is arranged on the bottom plate of the spring cavity;
the upper end of the accommodating cavity 121 of the button 12 is provided with an internal thread connecting cavity 124;
the top of the valve rod 8 is provided with an upper opening cylindrical ball cavity 82;
a ball 16 is disposed in the cylindrical ball chamber 82 having an upper opening, the ball 16 being engaged with the lower end of the through hole 135; the buffer spring 14 is arranged in the spring cavity 134, the top cover 15 covers the upper opening of the spring cavity 134, the upper end of the buffer spring 14 is in sliding fit with the top hole in the top cover 15, and the other ball 16 is matched with the buffer spring 14 and the top hole. A screw is threaded into the internally threaded connecting cavity 124 to fix the position of the ball 16 relative thereto.
The sealing ring further comprises a sealing element 17 and a sealing ring 18, wherein the sealing element 17 comprises an annular spring seat groove 171 arranged at the upper end, a valve rod channel 172, a lower sinking hole 173 and a flange 174;
the valve rod 8 penetrates through the valve rod channel 172 and the sealing ring 18 in the lower sinking hole 174, the lower end of the sealing element 17 is inserted into the inserting cavity 65 of the water diversion inner seat 6, the flange 174 is matched with the upper end of the water diversion inner seat 6, the upper end of the sealing element is inserted into the accommodating cavity 111 of the knob 12, the flange 174 is embedded with a counter bore at the lower end of the accommodating cavity 111, and the lower end of the pressure spring 9 is embedded with the spring seat groove 171;
in use, the drive assembly 10, the outer water-dividing seat 5 and the movable ceramic valve chip 4 rotate together.
What has been described above is merely a preferred embodiment of the present invention. It should be noted that a person skilled in the art could make several modifications and variations without departing from the principle of the present invention, which should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a take water distribution valve core of switch regulating pondage which characterized in that: the water diversion valve core comprises a core shell, a base, a fixed ceramic valve chip, a movable ceramic valve chip, a water diversion outer seat, a water diversion inner seat, a switch reversing valve core, a valve rod, a pressure spring and a driving component,
the core shell is provided with a lower opening, the top plate is provided with a shaft sleeve, and the circumferential wall plate is provided with wall water outlet holes which are uniformly distributed;
the base is provided with a central water outlet hole, a cold water inlet hole and a hot water inlet hole,
the fixed ceramic valve chip comprises a fixed center hole, a fixed cold water inlet hole and a fixed hot water inlet hole;
the movable ceramic valve core chip comprises a center hole, a movable cold water hole and a movable hot water hole;
the water diversion outer seat comprises a water diversion cavity, a water guide cavity arranged at the upper part of the water diversion seat and a radial water guide hole arranged on the water guide cavity, and the diameter of the water guide cavity is smaller than that of the water diversion cavity; the bottom plate of the water diversion cavity is provided with a water mixing switch valve core seat, an axial water guide hole surrounding the water mixing switch valve core seat and a circular water guide groove positioned at the lower end, and the circular water guide groove is intersected with the lower end of the axial water guide hole;
the water diversion inner seat comprises a valve rod channel, a reversing cavity, an annular water tank arranged on the outer circumferential surface and a radial water hole for communicating the reversing cavity with the annular water inlet tank;
the fixed ceramic valve chip is arranged on the base, the central hole is opposite to the central water outlet hole, the seat cold water inlet hole is opposite to the fixed cold water inlet hole, the seat hot water inlet hole is opposite to the fixed hot water inlet hole, and the movable ceramic valve chip is arranged on the fixed ceramic valve chip; the water diversion inner seat is arranged in a water guide cavity of the water diversion outer seat and is sealed, the valve rod penetrates through the pressure spring, the valve rod channel and the reversing cavity to be connected with the switch reversing valve core, the valve rod and the valve rod channel are sealed, the water diversion outer seat is arranged on the movable ceramic valve core piece and is connected into a whole, the switch reversing valve core is matched with the lower parts of the water mixing switch valve core seat and the reversing cavity, the driving assembly is connected with the water diversion outer seat, the driving assembly penetrates through a shaft sleeve of the core shell to extend out, and the lower end of the core shell is fixed with the base; the water guide cavity of the water diversion outer seat and the core shell form a water outlet cavity, and the water outlet cavity corresponds to the wall water outlet hole.
2. The water distribution valve core with the switch for regulating water flow according to claim 1, characterized in that: the drive assembly includes a knob, a push button and a driven ratchet member,
the knob comprises an accommodating cavity with a lower opening, a guide hole arranged on the top plate, an axial guide groove arranged in the guide hole, fixed teeth arranged in the accommodating cavity and a deep guide groove arranged between two adjacent fixed teeth, wherein the lower end of each fixed tooth is provided with a spiral positioning notch, a spiral surface and a shallow guide groove, and the deep guide groove and the shallow guide groove correspond to the axial guide groove;
the button comprises a movable cavity with a lower opening, an axial guide rail and an angular driving tooth arranged at the lower end of the axial guide rail;
the driven ratchet wheel piece comprises a circular seat board, a cylinder arranged on the circular seat board and ratchets which surround the lower end of the cylinder and are arranged on the circular seat board;
the button penetrates through a guide hole of the knob to extend out of the knob, the axial guide rail is in sliding fit with an axial guide groove in the guide hole, the upper end face of the angular driving tooth is in fit stop with a top plate of the accommodating cavity, the angular driving tooth is in sliding fit with the deep guide groove, and the upper end of the angular driving tooth is in fit stop with a top spiral face of the spiral positioning notch; the cylinder of the driven ratchet wheel piece is inserted into the movable cavity of the button, the ratchet is matched with the angular driving teeth, and the ratchet is in sliding fit with the deep guide groove; the upper end of the valve rod is matched with the driven ratchet wheel piece.
3. The water distribution valve core with the switch for regulating the water quantity according to claim 2, is characterized in that: also comprises a buffer spring, a top cover and a ball body,
a spring cavity with an upper opening is arranged on the cylinder of the driven ratchet wheel piece, and a through hole is arranged on the bottom plate of the spring cavity;
the upper end of the accommodating cavity of the button is provided with an internal thread connecting cavity;
the top of the valve rod is provided with a cylindrical ball cavity with an upper opening and an upper opening;
a ball body is arranged in the cylindrical ball cavity with the upper opening, and the ball body is matched with the lower end of the through hole; the buffer spring is arranged in the spring cavity, the top cover covers the upper opening of the spring cavity, the upper end of the buffer spring is in sliding fit with the top hole in the top cover, and the other ball body is matched with the buffer spring and the top hole.
4. The water distribution valve core with the switch for regulating the water quantity according to the claim 2 or 3, is characterized in that: the sealing element comprises an annular elastic seat groove arranged at the upper end, a valve rod channel, a sinking hole and a flange;
the valve rod penetrates through the valve rod channel and the sealing ring in the sunken hole, the lower end of the sealing element is inserted into the inserting cavity of the water diversion inner seat, the upper end of the sealing element is inserted into the accommodating cavity of the knob, and the lower end of the pressure spring is embedded with the spring seat groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121121675.3U CN215806512U (en) | 2021-05-24 | 2021-05-24 | Water diversion valve core with switch for regulating water quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121121675.3U CN215806512U (en) | 2021-05-24 | 2021-05-24 | Water diversion valve core with switch for regulating water quantity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215806512U true CN215806512U (en) | 2022-02-11 |
Family
ID=80173620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121121675.3U Active CN215806512U (en) | 2021-05-24 | 2021-05-24 | Water diversion valve core with switch for regulating water quantity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215806512U (en) |
-
2021
- 2021-05-24 CN CN202121121675.3U patent/CN215806512U/en active Active
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